Investigation of damage mechanisms related to microstructural features of ferrite-cementite steels via experiments and multiscale simulations

H Wang, F Wang, D Qian, F Chen, Z Dong… - International Journal of …, 2023 - Elsevier
Spheroidized ferrite-cementite steel (SFC) is susceptible to micro-defects owing to the
mismatched deformation between the ferrite and cementite during cold forming, which …

Theoretical models of void nucleation and growth for ductile metals under dynamic loading: A review

H Sui, L Yu, W Liu, Y Liu, Y Cheng… - Matter and Radiation at …, 2022 - pubs.aip.org
Void nucleation and growth under dynamic loading are essential for damage initiation and
evolution in ductile metals. In the past few decades, the development of experimental …

Strain rate and temperature dependent fracture of aluminum alloy 7075: Experiments and neural network modeling

KS Pandya, CC Roth, D Mohr - International Journal of Plasticity, 2020 - Elsevier
Complex structural components made from 7xxx series alloys are usually manufactured
through hot stamping due to their low ductility at room temperature. With the help of a custom …

Failure mode change and material damage with varied machining speeds: a review

J Zhang, B He, B Zhang - International Journal of Extreme …, 2023 - iopscience.iop.org
High-speed machining (HSM) has been studied for several decades and has potential
application in various industries, including the automobile and aerospace industries …

Dynamic tensile fracture of iron: Molecular dynamics simulations and micromechanical model based on dislocation plasticity

VV Pogorelko, AE Mayer - International Journal of Plasticity, 2023 - Elsevier
Molecular dynamics (MD) shows a difference in the mechanisms of fracture of iron under
uniaxial and isotropic tension. Uniaxial tension leads to the formation of a complex …

Dynamic compaction of aluminum with nanopores of varied shape: MD simulations and machine-learning-based approximation of deformation behavior

FT Latypov, EV Fomin, VS Krasnikov… - International Journal of …, 2022 - Elsevier
We compare two machine-learning-based approaches, artificial neural network (ANN) and
micromechanical model with automatic Bayesian identification of the model parameters, in …

Dislocation nucleation in Al single crystal at shear parallel to (111) plane: Molecular dynamics simulations and nucleation theory with artificial neural networks

AE Mayer, VS Krasnikov, VV Pogorelko - International Journal of Plasticity, 2021 - Elsevier
We develop the theory of homogeneous nucleation of dislocations, which predicts plasticity
incipience in FCC single crystal using material properties at elastic stage. In contrast to …

Study of the plastic deformation mechanism of TRIP–TWIP high entropy alloys at the atomic level

M Bahramyan, RT Mousavian, D Brabazon - International Journal of …, 2020 - Elsevier
In this study, the deformation mechanism of Al x (x= 0.5, 1.5) CrCoFeCuNi high entropy
alloys (HEAs) during uniaxial tension at various strain rates and temperatures at the atomic …

Shock responses of nanoporous aluminum by molecular dynamics simulations

M Xiang, J Cui, Y Yang, Y Liao, K Wang, Y Chen… - International Journal of …, 2017 - Elsevier
We present systematic investigations examining the shock responses of nanoporous
aluminum (np-Al) by nonequilibrium molecular dynamics simulations. The dislocation …

Crystal plasticity based investigation of micro-void evolution under multi-axial loading conditions

HJ Guo, C Ling, EP Busso, Z Zhong, DF Li - International Journal of …, 2020 - Elsevier
The present work investigates the effects of stress state and crystallographic orientation of
the principal stress axes on the growth behaviour of micro-voids embedded in an aluminium …